From 0f0607baecdbbc04378d546239265d2e22c52c02 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Wed, 7 Apr 2021 06:52:34 +0200
Subject: [PATCH] Fix rangeestability filter caching issue

---
 freqtrade/plugins/pairlist/rangestabilityfilter.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/freqtrade/plugins/pairlist/rangestabilityfilter.py b/freqtrade/plugins/pairlist/rangestabilityfilter.py
index a1430a223..6565e92c1 100644
--- a/freqtrade/plugins/pairlist/rangestabilityfilter.py
+++ b/freqtrade/plugins/pairlist/rangestabilityfilter.py
@@ -87,8 +87,9 @@ class RangeStabilityFilter(IPairList):
         :return: True if the pair can stay, false if it should be removed
         """
         # Check symbol in cache
-        if pair in self._pair_cache:
-            return self._pair_cache[pair]
+        cached_res = self._pair_cache.get(pair, None)
+        if cached_res is not None:
+            return cached_res
 
         result = False
         if daily_candles is not None and not daily_candles.empty: